body {
    text-align: center;
    height: 100%;
    margin: 0px;
    padding: 0px;
}

#main{
    margin: 0px;
    padding: 0px;
}

#welcome{
    background-image: url("../../images/welcome.jpg");
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}